612560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:76

約数の個数: 80

約数和(自身を含む): 1666560

約数和(自身を除く): 1054000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 38, 40, 52, 62, 65, 76, 80, 95, 104, 124, 130, 152, 155, 190, 208, 247, 248, 260, 304, 310, 380, 403, 494, 496, 520, 589, 620, 760, 806, 988, 1040, 1178, 1235, 1240, 1520, 1612, 1976, 2015, 2356, 2470, 2480, 2945, 3224, 3952, 4030, 4712, 4940, 5890, 6448, 7657, 8060, 9424, 9880, 11780, 15314, 16120, 19760, 23560, 30628, 32240, 38285, 47120, 61256, 76570, 122512, 153140, 306280, 612560]

約数ペア:

[(1, 612560), (2, 306280), (4, 153140), (5, 122512), (8, 76570), (10, 61256), (13, 47120), (16, 38285), (19, 32240), (20, 30628), (26, 23560), (31, 19760), (38, 16120), (40, 15314), (52, 11780), (62, 9880), (65, 9424), (76, 8060), (80, 7657), (95, 6448), (104, 5890), (124, 4940), (130, 4712), (152, 4030), (155, 3952), (190, 3224), (208, 2945), (247, 2480), (248, 2470), (260, 2356), (304, 2015), (310, 1976), (380, 1612), (403, 1520), (494, 1240), (496, 1235), (520, 1178), (589, 1040), (620, 988), (760, 806)]